[Fwd: RHEL connundrum with df and du]

[Aaron Cline]

I saw this problem last year where lsof | grep -i deleted showed nothing,
but a reboot still fixed the problem.  I would like to think there is a bug
somewhere that is hard to replicate.  Have you been able to reboot the
system and does this not fix the problem?

Curious,

Aaron

On 11/6/06, Jerry Yu <jjj863 at gmail.com> wrote:
>
> I believe he checked already that since he referred to the pertinent
> Redhat KB article.
>
> On 11/6/06, Michael_E_Brown at dell.com <Michael_E_Brown at dell.com> wrote:
> >
> > You might have deleted files.
> >   # lsof | grep deleted
> >
> > http://www.google.com/search?hs=KY7&hl=en&lr=&client=firefox-a&rls=org.m
> >
> > ozilla%3Aen-US%3Aofficial&q=deleted+files+du+df+lsof&btnG=Search
> >
> > --
> > Michael
> >
> > > -----Original Message-----
> > > From: linux-poweredge-bounces at dell.com
> > > [mailto:linux-poweredge-bounces at dell.com] On Behalf Of
> > > Sankarshan Mukhopadhyay
> > > Sent: Sunday, November 05, 2006 11:14 PM
> > > To: linux-poweredge-Lists
> > > Cc: haven at thehavennet.org.uk
> > > Subject: [Fwd: RHEL connundrum with df and du]
> > >
> > > -----BEGIN PGP SIGNED MESSAGE-----
> > > Hash: SHA1
> > >
> > > Fwd-ing to the Dell Poweredge list for a possible faster response
> > >
> > > :SM
> > >
> > > - -------- Original Message --------
> > > Subject: RHEL connundrum with df and du
> > > Date: Thu, 2 Nov 2006 16:13:34 -0000 (UTC)
> > > From: Simon Alman < haven at thehavennet.org.uk>
> > > Reply-To: haven at thehavennet.org.uk
> > > To: ext3-users at redhat.com
> > >
> > > Hi All
> > >
> > > I am having an issue with disk space and since it is
> > > happening using an
> > > ext3 formatted partition I felt that this would be the most
> > > appropriate list to post to.
> > >
> > > The problem is this; I have access to two RHEL systems (one
> > > running RHEL3 and one running RHEL4). Both are in the same
> > > company and both exhibit the same problem that I have not
> > > seen anywhere else before.
> > >
> > > Both have full / partitions. df shows this to be the case so
> > > it must be true ... right ?
> > >
> > > Well du disagrees, on one system with a full 20GB / parition
> > > that df shows to be full, df can only find 3.6GB of files.
> > >
> > > So off to the redhat FAQ I went and found this:
> > > http://kbase.redhat.com/faq/FAQ_35_5209.shtm
> > >
> > > Great that explains the problem precisely ... except it
> > > didn't help. No processes were holding large deleted files in
> > > a locked state.
> > >
> > > So I looked at inodes thinking that they may have all been used up ...
> > > they haven't df shows only 5% inode usage.
> > >
> > > I forced an fsck run on the partition on reboot and neither
> > > this nor the reboot helped, fsck shows clean and after the
> > > reboot things were still broken.
> > >
> > > So I'm sat here trying to explain to the client why their 5k
> > > worth of dell server is currently no much use to them (I
> > > can't install anything on it due to the space issue ...).
> > >
> > > Has anyone come across anything similar before ? I've worked
> > > with linux for six years and this is a new one on me ... and
> > > twice in the same company. I suspect major kernel b0rkage
> > > since both systems use Dell's RHEL build for the specific
> > > model of server but proving it is beyond me right now.
> > >
> > > Any help/advice would be very gratefully appreciated.
> > >
> > > Kind regards
> > >
> > > Simon Alman
> > >
> > >
> > >
> > >
> > > - --
> > >
> > > You see things; and you say 'Why?';
> > > But I dream things that never were;
> > > and I say 'Why not?' - George Bernard Shaw -----BEGIN PGP
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